Thermal binding unit



FIG. 1 is a top plan view of a thermal binding unit for binding books showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view of the thermal binding unit of FIG. 1 showing a series of binding supports in operative position;

FIG. 7 is a front elevational view of FIG. 6;

FIG. 8 is a rear elevational view of FIG. 6;

FIG. 9 is a right side elevational view of FIG. 6;

FIG. 10 is a left side elevational view of FIG. 6; and,

FIG. 11 is a front, right side perspective view of FIG. 6. 

The ornamental design for a thermal binding unit, as shown and described. 